YPF (YPF) Board confirms Ariel Polotnianka as Chief Audit Officer

Rhea-AI Filing Summary

YPF Sociedad Anónima reports a change in its first-level organizational structure. The Board confirmed the appointment of Ariel Polotnianka as Chief Audit Officer on a permanent basis, following an earlier material event dated August 18, 2025. The confirmation was made at a Board meeting held on February 26, 2026.

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13A-16 OR 15D-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of February 2026

Commission File Number: 001-12102

YPF Sociedad Anónima

(Exact name of registrant as specified in its charter)

Macacha Güemes 515

C1106BKK Buenos Aires, Argentina

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Form 20-F ☒   Form 40-F ☐

YPF Sociedad Anónima

TABLE OF CONTENT

ITEM 1 Translation of letter to the Argentine Securities Commission (Comisión Nacional de Valores) dated February 26, 2026.

Buenos Aires, February 26, 2026

COMISIÓN NACIONAL DE VALORES (“CNV”)

25 de Mayo 175

Buenos Aires

BOLSAS Y MERCADOS ARGENTINOS S.A. (“ByMA”)

Sarmiento 299

Buenos Aires

A3 MERCADOS S.A. (“A3 Mercados”)

Maipú 1210

Buenos Aires

Ref.: Changes in the First Level Organizational Structure of YPF S.A.

Ladies and Gentlemen,

We are writing to you in order to comply with the CNV Rules and the corresponding regulations of ByMA and A3 Mercados.

Following up on our material event dated August 18, 2025, we report that in today’s meeting, the Board confirmed the appointment of Mr. Ariel Polotnianka as Chief Audit Officer on a permanent basis.

Sincerely,

Margarita Chun

Market Relations Officer

YPF S.A.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

				YPF Sociedad Anónima
Date: February 26, 2026				By:		/s/ Margarita Chun
				Name:		Margarita Chun
				Title:		Market Relations Officer

FAQ

What organizational change did YPF (YPF) disclose in this Form 6-K?

YPF disclosed that its Board confirmed the appointment of Ariel Polotnianka as Chief Audit Officer on a permanent basis. This formalizes his role within YPF’s first-level organizational structure after a previously reported material event in August 2025.

Who was appointed Chief Audit Officer at YPF (YPF)?

YPF’s Board confirmed Ariel Polotnianka as Chief Audit Officer on a permanent basis. This appointment places him in a key first-level organizational role overseeing audit functions within the company’s corporate structure, as communicated to Argentine market authorities.

When did YPF (YPF) confirm the Chief Audit Officer appointment?

The Board confirmed Ariel Polotnianka’s permanent appointment as Chief Audit Officer in a meeting held on February 26, 2026. This confirmation follows a prior material event initially reported on August 18, 2025, regarding changes in the organization.

Which authorities did YPF (YPF) notify about its organizational change?

YPF notified Argentina’s Comisión Nacional de Valores, Bolsas y Mercados Argentinos S.A., and A3 Mercados S.A. The company sent a formal communication from Buenos Aires explaining the confirmed appointment of its Chief Audit Officer as part of required market disclosure rules.

What is the main purpose of this YPF (YPF) Form 6-K filing?

The main purpose is to inform investors and market authorities about a confirmed change in YPF’s first-level organizational structure. Specifically, it documents the Board’s decision to appoint Ariel Polotnianka as Chief Audit Officer on a permanent basis.